The CV-pin version worked slightly better, but it was still just barely possible to distinguish a voice over a standard commercial AM/FM receiver. The next attempt was with a XR2206 function ...

Radio receiver ICs support worldwide radio band requirements, including frequency modulation (FM), FM radio data system (RDS), amplitude modulation (AM), long wave (LW), short wave (SW), and weather ...

[Dilshan Jayakody] recently documented his experience in designing and building an inexpensive FM Stereo Receiver for the Pi platform, and the results are impressive. Quite a few FM receiver ...

With AM radio, the amplitude ... since the audio signal is conveyed through changes in frequency, the FM receiver can just ignore changes in amplitude. The result: no static at all.

The receiver contains inputs for all the audio sources and outputs to one or more sets of speakers. It may also include an AM/FM tuner. Although a stereo receiver has its own amplifier to drive ...